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3,787
RESULTS

Media Type
3,787
texts
Topics & Subjects
227
Geology
74
Mines and mineral resources
72
Petroleum
70
Oil wells
69
Agriculture
66
Gas wells
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Collection
3,554
American Libraries
3,104
University of Illinois Urbana-Champaign
276
Biodiversity Heritage Library
110
CARLI
75
Microfilm
39
Fieldiana
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Creator
167
illinois state geological survey
60
illinois. environmental protection agency
47
illinois. natural history survey division
45
illinois. office of secretary of state
44
illinois
42
illinois. dept. of human services
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Language
3,469
English
105
Italian
55
Spanish
44
French
36
Russian
23
German
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